#!/usr/bin/env python3

# Libervia: a SàT frontend
# Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from libervia.backend.tools.common import data_format
from libervia.backend.core import exceptions
from libervia.web.server.constants import Const as C


class RestrictedBridge:
    """bridge with limited access, which can be used in browser

    Only a few method are implemented, with potentially dangerous argument controlled.
    Security limit is used
    """

    def __init__(self, host):
        self.host = host
        self.security_limit = C.SECURITY_LIMIT

    def no_service_profile(self, profile):
        """Raise an error if service profile is used"""
        if profile == C.SERVICE_PROFILE:
            raise exceptions.PermissionError(
                "This action is not allowed for service profile"
            )

    async def action_launch(
        self, callback_id: str, data_s: str, profile: str
    ) -> str:
        self.no_service_profile(profile)
        return await self.host.bridge_call(
            "action_launch", callback_id, data_s, profile
        )

    async def call_start(self, entity: str, call_data_s: str, profile: str) -> None:
        self.no_service_profile(profile)
        return await self.host.bridge_call(
            "call_start", entity, call_data_s, profile
        )

    async def call_end(self, session_id: str, call_data: str, profile: str) -> None:
        self.no_service_profile(profile)
        return await self.host.bridge_call(
            "call_end", session_id, call_data, profile
        )

    async def contacts_get(self, profile):
        return await self.host.bridge_call("contacts_get", profile)

    async def external_disco_get(self, entity, profile):
        self.no_service_profile(profile)
        return await self.host.bridge_call(
            "external_disco_get", entity, profile)

    async def ice_candidates_add(self, session_id, media_ice_data_s, profile):
        self.no_service_profile(profile)
        return await self.host.bridge_call(
            "ice_candidates_add", session_id, media_ice_data_s, profile
        )

    async def identity_get(self, entity, metadata_filter, use_cache, profile):
        return await self.host.bridge_call(
            "identity_get", entity, metadata_filter, use_cache, profile)

    async def identities_get(self, entities, metadata_filter, profile):
        return await self.host.bridge_call(
            "identities_get", entities, metadata_filter, profile)

    async def identities_base_get(self, profile):
        return await self.host.bridge_call(
            "identities_base_get", profile)

    async def ps_node_delete(self, service_s, node, profile):
        self.no_service_profile(profile)
        return await self.host.bridge_call(
            "ps_node_delete", service_s, node, profile)

    async def ps_node_affiliations_set(self, service_s, node, affiliations, profile):
        self.no_service_profile(profile)
        return await self.host.bridge_call(
            "ps_node_affiliations_set", service_s, node, affiliations, profile)

    async def ps_item_retract(self, service_s, node, item_id, notify, profile):
        self.no_service_profile(profile)
        return await self.host.bridge_call(
            "ps_item_retract", service_s, node, item_id, notify, profile)

    async def mb_preview(self, service_s, node, data, profile):
        return await self.host.bridge_call(
            "mb_preview", service_s, node, data, profile)

    async def list_set(self, service_s, node, values, schema, item_id, extra, profile):
        self.no_service_profile(profile)
        return await self.host.bridge_call(
            "list_set", service_s, node, values, "", item_id, "", profile)


    async def file_http_upload_get_slot(
        self, filename, size, content_type, upload_jid, profile):
        self.no_service_profile(profile)
        return await self.host.bridge_call(
            "file_http_upload_get_slot", filename, size, content_type,
            upload_jid, profile)

    async def file_sharing_delete(
        self, service_jid, path, namespace, profile):
        self.no_service_profile(profile)
        return await self.host.bridge_call(
            "file_sharing_delete", service_jid, path, namespace, profile)

    async def interests_file_sharing_register(
        self, service, repos_type, namespace, path, name, extra_s, profile
    ):
        self.no_service_profile(profile)
        if extra_s:
            # we only allow "thumb_url" here
            extra = data_format.deserialise(extra_s)
            if "thumb_url" in extra:
                extra_s = data_format.serialise({"thumb_url": extra["thumb_url"]})
            else:
                extra_s = ""

        return await self.host.bridge_call(
            "interests_file_sharing_register", service, repos_type, namespace, path, name,
            extra_s, profile
        )

    async def interest_retract(
        self, service_jid, item_id, profile
    ):
        self.no_service_profile(profile)
        return await self.host.bridge_call(
            "interest_retract", service_jid, item_id, profile)

    async def ps_invite(
        self, invitee_jid_s, service_s, node, item_id, name, extra_s, profile
    ):
        self.no_service_profile(profile)
        return await self.host.bridge_call(
            "ps_invite", invitee_jid_s, service_s, node, item_id, name, extra_s, profile
        )

    async def fis_invite(
        self, invitee_jid_s, service_s, repos_type, namespace, path, name, extra_s,
        profile
    ):
        self.no_service_profile(profile)
        if extra_s:
            # we only allow "thumb_url" here
            extra = data_format.deserialise(extra_s)
            if "thumb_url" in extra:
                extra_s = data_format.serialise({"thumb_url": extra["thumb_url"]})
            else:
                extra_s = ""

        return await self.host.bridge_call(
            "fis_invite", invitee_jid_s, service_s, repos_type, namespace, path, name,
            extra_s, profile
        )

    async def fis_affiliations_set(
        self, service_s, namespace, path, affiliations, profile
    ):
        self.no_service_profile(profile)
        return await self.host.bridge_call(
            "fis_affiliations_set", service_s, namespace, path, affiliations, profile
        )

    async def invitation_simple_create(
        self, invitee_email, invitee_name, url_template, extra_s, profile
    ):
        self.no_service_profile(profile)
        return await self.host.bridge_call(
            "invitation_simple_create", invitee_email, invitee_name, url_template, extra_s,
            profile
        )